Four Late-Summer Hedgerow Foods to Forage in September

September hedgerows are changing colour: elderberries turn ink-dark, hawthorn haws redden, blackberries soften, and hazelnuts hide in leafy cups. A single walk can offer four different lessons in identification, timing, preparation, and restraint.

This practical guide covers four late-season finds. It is not a licence to eat anything vaguely berry-shaped: read the whole plant, check the habitat, avoid contaminated sites, and leave anything uncertain exactly where it is.

1. Elderberry: generous, but never raw

Black elder (Sambucus nigra) is a woody shrub with pinnate leaves, creamy flower clusters earlier in the year, and hanging bunches of dark purple-black berries. Ripe clusters droop on reddish stems; green berries are a clear reason to leave them.

Use elderberries cooked into syrup, cordial, jelly, or sauce. Raw berries, leaves, stems, and unripe fruit contain cyanogenic glycosides and can cause nausea, vomiting, diarrhoea, or dizziness. Strip the berries from the stems, discard green fruit, and cook thoroughly.

Research centres on elderberry anthocyanins and polyphenols. A 2023 characterisation paper found it particularly rich in anthocyanins, while a 2021 systematic review found evidence for respiratory illness limited and product-specific. Interesting chemistry is not the same as a proven treatment.

2. Hawthorn: red haws and serious interactions

Hawthorn (Crataegus monogyna) is a thorny shrub with deeply lobed leaves, white spring blossom, and small red haws in autumn. The fruit usually contains one large stone. Gloves are sensible.

Haws can become jellies, sauces, or syrups, but the flesh is mealy and the stones must be removed. Hawthorn is also where food and medicine need a firm boundary: cardiovascular activity is reported in research, yet products may interact with heart and blood-pressure medicines. A 2020 study raised concern about bleeding tendency around coronary artery bypass surgery. Do not self-prescribe it.

3. Hazelnut: the nut hiding in the husk

Hazel (Corylus avellana) has rounded leaves with pointed tips, double-toothed margins, soft young stems, and nuts enclosed in leafy husks. In early September some nuts are green while others brown and drop. Crack a sample before carrying home a heavy basket.

Collect modestly, leave plenty for squirrels and jays, and dry nuts somewhere airy. Toasting improves flavour for porridge, baking, pesto, or a savoury crumb. Hazelnuts supply unsaturated fats, fibre, vitamin E, and polyphenols; a 2025 review describes a nutrient-dense food with bioactive compounds, not a cure.

4. Blackberry: abundant, not automatically clean

Blackberry (Rubus fruticosus agg.) has arching, often prickly stems, compound leaves, and drupelets ripening from red to purple-black. Pick intact fruit from clean sites away from roads, dog fouling, and chemical spray. Wash gently and use promptly.

Anthocyanins and ellagitannins give berries their colour and scientific interest, but human evidence is more modest than wellness language suggests. Washing cannot make a contaminated location safe.

A calm way to forage four plants

Photograph the whole plant before picking. Note leaf shape, stem, fruit arrangement, thorns, and habitat. Use a trusted field guide and do not rely on an app as your only identification method. Keep plants separate, process one at a time, cook elderberries, stone haws, dry hazelnuts, and wash blackberries.

Before you leave the path

Good foraging begins before the first berry is picked. Check who manages the land, whether access is permitted, and whether the location is likely to have been sprayed. Roadsides, railway verges, industrial edges, heavily grazed pasture, and places used by dogs are poor choices even when the plant itself is perfectly edible. A clean-looking berry can still carry contamination from its surroundings.

Weather changes the harvest, too. After prolonged rain, soft fruit bruises quickly and mould can spread through a container. In dry weather, berries may be smaller and sweeter, while hazelnuts can disappear rapidly as birds and mammals find them. Take a small basket rather than a large sack, and make your collection fit the season rather than trying to defeat it.

For identification, look for a combination of features. A berry colour is never enough. Elder has opposite, pinnate leaves and berries in hanging clusters; hawthorn has lobed leaves, thorns, and a single stone in most haws; hazel has distinctive leafy husks and rounded leaves; blackberry has compound leaves, arching stems, and clusters of separate drupelets. Photograph the plant in context, including its leaves and stem, before you pick.

From basket to kitchen

Sort everything on a light-coloured tray. Remove insects, damaged fruit, leaves, and debris, but do not wash delicate berries until you are ready to use them. Elderberries are easiest to strip with a fork after chilling the clusters. Hawthorn haws can be simmered and passed through a sieve, but the stones should never be blended into the finished mixture. Hazelnuts need time to dry, and a low oven can help if the shells feel damp.

Keep notes on what you picked, where, and when. This small habit makes future identification easier and helps you notice how the same hedge changes from year to year. It also encourages proportion: a handful of fruit for a crumble is a different proposition from collecting enough for a commercial-sized batch of syrup. Leave flowers, over-ripe fruit, and lower branches for insects, birds, and small mammals.

The most useful evidence-based takeaway is wonderfully ordinary. These plants can contribute colour, flavour, fibre, fats, and a range of plant compounds to a varied diet. The more dramatic claims — immunity boosts, heart cures, detoxes, or guaranteed anti-inflammatory effects — require much stronger evidence than a laboratory extract or a small observational study can provide. Enjoy the food, respect the uncertainty, and seek medical advice for medical problems.

A note on children and pets

Young children should forage only with a knowledgeable adult, and they should not taste a plant while walking. Keep raw elderberries and gathered material away from pets, who may be more vulnerable to plant toxins or may eat stems and leaves without distinction. At home, label jars and baskets clearly, especially if several preparations are being made at once.

If anyone develops vomiting, diarrhoea, dizziness, breathing difficulty, swelling, or other concerning symptoms after eating a wild plant, seek urgent medical advice and keep a sample of the plant or prepared food for identification. Do not induce vomiting unless instructed by a medical professional.

Make the walk part of the practice

There is no prize for finding every edible thing in one afternoon. A better aim is to learn one plant well, then notice how it sits beside the others. Elder often marks a damp edge or garden boundary; hawthorn makes a dense, thorny shelter; hazel prefers woodland margins; and bramble occupies gaps with startling enthusiasm. Their habits are part of the identification, not background decoration.

Carry a pencil, a small paper bag, and a hand lens if you have one. Paper is useful for a few leaves or a fallen nut because it breathes, whereas sealed plastic encourages condensation and spoilage. Do not collect a whole branch, and never uproot a plant to take home. A photograph, a note about the season, and a careful description are usually more valuable than a large sample.

It is also worth learning the boundaries of access. The traditional right to pick wild fruit for personal use does not give permission to enter private land, damage a hedge, or take commercially valuable quantities. Local bylaws and nature-reserve rules can be stricter. Leave gates as you find them, avoid disturbing nesting places, and step around rather than through wildflower margins.

Finally, let the meal be simple. A few blackberries over yoghurt, toasted hazelnuts on porridge, a spoonful of cooked elderberry sauce with cheese, or a carefully strained hawthorn jelly can make the season feel present without turning the kitchen into a laboratory. The pleasure is in attention: knowing what you found, how you prepared it, and what you deliberately left behind.

Further reading

For a broader checklist, read the late-August guide to five hedgerow foods. For hawthorn science, see what hawthorn tannins can and cannot tell us. For the kitchen, try the blackberry and hazelnut frangipane tart.

References

Elderberry extracts: characterisation of the polyphenolic profile and antioxidant activity (2023).

Elderberry for prevention and treatment of viral respiratory illness: systematic review (2021).

Hawthorn (Crataegus monogyna): review of phytochemistry and pharmacology (2025).

Bioactive properties of hazelnut-derived products (2025).

Free foraging downloads: Seasonal Foraging Calendar and Foraging Safety Guide.

This content is for educational purposes only and does not constitute medical advice. Wild plants can be dangerous if misidentified. Never consume any wild plant unless completely confident in identification. Raw or unripe elderberries, leaves, and stems can cause gastrointestinal illness; hawthorn may interact with heart and blood-pressure medicines; hazelnuts can trigger severe tree-nut allergy; and berries from polluted sites may be unsafe. Consult your GP before using wild plants medicinally, particularly if pregnant, breastfeeding, taking medication, or managing a heart condition.